Related Questions

A tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume. If 2500 gallons of water evaporate from the tank, the remaining solution will be approximately what percent sodium chloride?
A 1.25%
B 3.75%
C 6.25%
D 6.67%
The aqueous solution of potassium chloride is
A A weak electrolyte
B A strong electrolyte
C A non-electrolyte
D Initially weak and then become a strong electrolyte
Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
A 70 kg
B 36 kg
C 44 kg
D 56 kg
Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?
A 600
B 800
C 300
D 250
E None of these
Aqueous solution of which of the following is a good conductor of electricity
A Ammonium acetate
B Glucose
C Ammonia
D Acetic acid
0.9% sodium chloride solution in water is a
A Standard solution
B Normal solution of sodium chloride
C Isotonic solution
D Crystalloid solution
E Buffer solution
0.98 g H2SO4 ব্যবহার করে 1.0 L জলীয় দ্রবণ তৈরি করা হোল। দ্রবণটির ঘনমাত্রা কত? (1.0 L aqueous solution is prepared using 0.98 g of H2SO4 What is the concentration of the solution?)
A 0.1 M
B 0.01 M
0.98 g H2SO4 ব্যবহার করে 1.0 L জলীয় দ্রবণ তৈরি করা হল। দ্রবণটির ঘনমাত্রা কত? (1.0 L aqueous solution is prepared using 0.98 g of H2SO4,. What is the concentration of the solution?
A 0.1 M
B 0.01 M
Scheme-1: C6H5N2Cl→CuCNC6H5CN→H2o/H+C6H5COOH→∆Product-I Scheme-2: C6H5NO2→Fe/HCLC6H5NH2→N2NO3+HCL, 273KC6H5N2Cl→H2O/H+Product-II Scheme-3: CH3COOH→NH3CH3CONH2→NaOBrProduct-III উল্লিখিত Scheme সমূহে Product-I, Product-II এবং Product-III হলো যথাক্রমেঃ
A C6H5COONH4, C6H5Cl and CH3OH
B C6H5CONH2, C6H5NH2 and CH3OH
C C6H5CONH2, C6H5NH2 and CH3NH2
D C6H5CONH2, C6H5OH and CH3OH

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